Plain Akari is really attracted to the popular idols unit “Flower”. Then Akari get the chance to sing as the Flower’s center?! But what is the secret that Flower keep…?!

Notes:
- Includes the one-shot "Koisuru Vampire (恋するヴァンパイア)".
- Includes the one-shot "Himitsu no Koi Shiyou (秘密の恋しよう)".